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Macroeconomics
CH 1-4
28
Economics
Undergraduate 2
09/24/2009

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Term
demand curve
Definition
a function that shows the quantity demanded at different prices
Term
quantity demanded
Definition
is the quantity that buyers are willing and able to buy at a particular price
Term
consumer surplus
Definition
the consumers gain from exchange or the difference between the maximum price a consumer is willing to pay for a certian quantity and the market price
Term
total consumer surplus
Definition
measured by the are beneath the demand curve and above the price
Term
demand shifters
Definition
-income
-population
-price of substitutes
-price of complements
-expectations
-tastes
Term
normal good
Definition
a good for which demand increases when income increases
ex. cars, electronics
Term
inferior good
Definition
a good for which demand decreases when income increases
ex. cup of noodles
Term
substitutes
Definition
a decreases in the price of one good leads to the to a decreases in the demand for the other good
Term
complements
Definition
a decrease in the price of the good leads to an increase of in the demand of the other good
Term
supply curve
Definition
Term
supply curve
Definition
a function that shows the quantity supplied at different prices
Term
quantity supplied
Definition
the amount of a good that sellers are willign and able to sell at a particular price
Term
producer surplus
Definition
the difference between the market price and the min price at which a producer would be willing to sell a particular quantity
Term
total producer surplus
Definition
measured by the are above the supply curve and below the price
Term
supply shifters
Definition
-technological innovations and changes in the price of inputs
-taxes and subsidies
-expectations
-entry or exit of producers
-changes in opportunity costs
Term
surplus
Definition
a situation in which the quantity supplied is greater than the quantity demanded
Term
shortage
Definition
a situation in which the quantity demanded is greater than the quantity supplied
Term
equilibrium price
Definition
the price at which the quantity demanded is equal to the quantity supplied
Term
equilibrium price
Definition
the price at which the quantity demanded is equal to the quantity supplied
Term
equilibrium price
Definition
the price at which the quantity demanded is equal to the quantity supplied
Term
equilibriumm price
Definition
the price at which the quantity demanded is equal to the quantity supplied
Term
equilbrium quantity
Definition
the quantity at which the quantity demanded is = to the quantity supplied
Term
price ceiling effects
Definition
1. shortages
2. reduction in quality
3. wasteful lines and other search costs
4. lost gains from trade
5. misallocation of resources
Term
price ceiling
Definition
maximum price allowed by law
Term
deadweight loss
Definition
the total of lost consumer and producer surplus when not all mutually profitable gains from trade are exploited (price ceilings/floors create this)
Term
price floor
Definition
minimum price allowed by law
Term
price floor effects
Definition
1. surpluses
2. lost gains from trade (dwl)
3. wasteful increases in quality
4. misallocation of resources
Term
opportunity cost
Definition
the value of the opportunities lost
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